US Bridges

30th Street NW over Timber Creek

Good

McKenzie County, North Dakota · 2 North 2 East Rawson · Structure no. 000000027126201

Built
2022
3 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
76
2021 count
Owner
County
County Highway Agency

About this bridge

30th Street NW over Timber Creek is a concrete culvert carrying 30th Street NW over Timber Creek in McKenzie County, North Dakota. It was built in 2022, so it is 3 years old, younger than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 76 vehicles a day, projected to reach 93 by 2041. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries30th Street NW
CrossesTimber Creek
Location2 North 2 East Rawson
RouteCounty Highway 0
Coordinates47.8483, -103.50901
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.7 US tons
Inventory rating46.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length27 ft (8.1 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic76 (2021)
Projected traffic93 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 30th Street NW over Timber Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is 30th Street NW over Timber Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does 30th Street NW over Timber Creek carry?

About 76 vehicles per day (2021 count).

How long is 30th Street NW over Timber Creek?

The structure is 27 ft (8.1 m) long with a longest span of 13 ft (4 m).

Who owns 30th Street NW over Timber Creek?

It is owned by the County Highway Agency.